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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
commit6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch)
treea68f146d7fa01f0134297619fbe7e33db084e0aa /media/ffvpx/libavutil/arm/asm.S
parentInitial commit. (diff)
downloadthunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz
thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'media/ffvpx/libavutil/arm/asm.S')
-rw-r--r--media/ffvpx/libavutil/arm/asm.S367
1 files changed, 367 insertions, 0 deletions
diff --git a/media/ffvpx/libavutil/arm/asm.S b/media/ffvpx/libavutil/arm/asm.S
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+/*
+ * Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "config.h"
+
+#ifdef __ELF__
+# define ELF
+#else
+# define ELF @
+#endif
+
+#if CONFIG_THUMB
+# define A @
+# define T
+#else
+# define A
+# define T @
+#endif
+
+#if HAVE_AS_FUNC
+# define FUNC
+#else
+# define FUNC @
+#endif
+
+#if HAVE_AS_FPU_DIRECTIVE
+# define FPU
+#else
+# define FPU @
+#endif
+
+#if CONFIG_THUMB && defined(__APPLE__)
+# define TFUNC
+#else
+# define TFUNC @
+#endif
+
+#if HAVE_AS_ARCH_DIRECTIVE
+#if HAVE_NEON
+ .arch armv7-a
+#elif HAVE_ARMV6T2
+ .arch armv6t2
+#elif HAVE_ARMV6
+ .arch armv6
+#elif HAVE_ARMV5TE
+ .arch armv5te
+#endif
+#endif
+#if HAVE_AS_OBJECT_ARCH
+ELF .object_arch armv4
+#endif
+
+#if HAVE_NEON
+FPU .fpu neon
+ELF .eabi_attribute 10, 0 @ suppress Tag_FP_arch
+ELF .eabi_attribute 12, 0 @ suppress Tag_Advanced_SIMD_arch
+#elif HAVE_VFP
+FPU .fpu vfp
+ELF .eabi_attribute 10, 0 @ suppress Tag_FP_arch
+#endif
+
+ .syntax unified
+T .thumb
+ELF .eabi_attribute 25, 1 @ Tag_ABI_align_preserved
+ELF .section .note.GNU-stack,"",%progbits @ Mark stack as non-executable
+
+.macro function name, export=0, align=2
+ .set .Lpic_idx, 0
+ .set .Lpic_gp, 0
+ .macro endfunc
+ .if .Lpic_idx
+ .align 2
+ .altmacro
+ put_pic %(.Lpic_idx - 1)
+ .noaltmacro
+ .endif
+ .if .Lpic_gp
+ .unreq gp
+ .endif
+ELF .size \name, . - \name
+FUNC .endfunc
+ .purgem endfunc
+ .endm
+ .text
+ .align \align
+ .if \export
+ .global EXTERN_ASM\name
+ELF .type EXTERN_ASM\name, %function
+FUNC .func EXTERN_ASM\name
+TFUNC .thumb_func EXTERN_ASM\name
+EXTERN_ASM\name:
+ .else
+ELF .type \name, %function
+FUNC .func \name
+TFUNC .thumb_func \name
+\name:
+ .endif
+.endm
+
+.macro const name, align=2, relocate=0
+ .macro endconst
+ELF .size \name, . - \name
+ .purgem endconst
+ .endm
+#if HAVE_SECTION_DATA_REL_RO
+.if \relocate
+ .section .data.rel.ro
+.else
+ .section .rodata
+.endif
+#elif defined(_WIN32)
+ .section .rdata
+#elif !defined(__MACH__)
+ .section .rodata
+#else
+ .const_data
+#endif
+ .align \align
+\name:
+.endm
+
+#if !HAVE_ARMV6T2_EXTERNAL
+.macro movw rd, val
+ mov \rd, \val & 255
+ orr \rd, \val & ~255
+.endm
+#endif
+
+.macro mov32 rd, val
+#if HAVE_ARMV6T2_EXTERNAL
+ movw \rd, #(\val) & 0xffff
+ .if (\val) >> 16
+ movt \rd, #(\val) >> 16
+ .endif
+#else
+ ldr \rd, =\val
+#endif
+.endm
+
+.macro put_pic num
+ put_pic_\num
+.endm
+
+.macro do_def_pic num, val, label
+ .macro put_pic_\num
+ .if \num
+ .altmacro
+ put_pic %(\num - 1)
+ .noaltmacro
+ .endif
+\label: .word \val
+ .purgem put_pic_\num
+ .endm
+.endm
+
+.macro def_pic val, label
+ .altmacro
+ do_def_pic %.Lpic_idx, \val, \label
+ .noaltmacro
+ .set .Lpic_idx, .Lpic_idx + 1
+.endm
+
+.macro ldpic rd, val, indir=0
+ ldr \rd, .Lpicoff\@
+.Lpic\@:
+ .if \indir
+A ldr \rd, [pc, \rd]
+T add \rd, pc
+T ldr \rd, [\rd]
+ .else
+ add \rd, pc
+ .endif
+ def_pic \val - (.Lpic\@ + (8 >> CONFIG_THUMB)), .Lpicoff\@
+.endm
+
+.macro movrel rd, val
+#if CONFIG_PIC
+ ldpic \rd, \val
+#elif HAVE_ARMV6T2_EXTERNAL && !defined(__APPLE__)
+ movw \rd, #:lower16:\val
+ movt \rd, #:upper16:\val
+#else
+ ldr \rd, =\val
+#endif
+.endm
+
+.macro movrelx rd, val, gp
+ .ifc \rd,\gp
+ .error "movrelx needs two distinct registers"
+ .endif
+ .ifc \rd\()_\gp,r12_
+ .warning "movrelx rd=\rd without explicit set gp"
+ .endif
+ .ifc \rd\()_\gp,ip_
+ .warning "movrelx rd=\rd without explicit set gp"
+ .endif
+#if CONFIG_PIC && defined(__ELF__)
+ .ifnb \gp
+ .if .Lpic_gp
+ .unreq gp
+ .endif
+ gp .req \gp
+ ldpic gp, _GLOBAL_OFFSET_TABLE_
+ .elseif !.Lpic_gp
+ gp .req r12
+ ldpic gp, _GLOBAL_OFFSET_TABLE_
+ .endif
+ .set .Lpic_gp, 1
+ ldr \rd, .Lpicoff\@
+ ldr \rd, [gp, \rd]
+ def_pic \val(GOT), .Lpicoff\@
+#elif CONFIG_PIC && defined(__APPLE__)
+ ldpic \rd, .Lpic\@, indir=1
+ .non_lazy_symbol_pointer
+.Lpic\@:
+ .indirect_symbol \val
+ .word 0
+ .text
+#else
+ movrel \rd, \val
+#endif
+.endm
+
+.macro add_sh rd, rn, rm, sh:vararg
+A add \rd, \rn, \rm, \sh
+T mov \rm, \rm, \sh
+T add \rd, \rn, \rm
+.endm
+
+.macro ldr_pre rt, rn, rm:vararg
+A ldr \rt, [\rn, \rm]!
+T add \rn, \rn, \rm
+T ldr \rt, [\rn]
+.endm
+
+.macro ldr_dpre rt, rn, rm:vararg
+A ldr \rt, [\rn, -\rm]!
+T sub \rn, \rn, \rm
+T ldr \rt, [\rn]
+.endm
+
+.macro ldr_nreg rt, rn, rm:vararg
+A ldr \rt, [\rn, -\rm]
+T sub \rt, \rn, \rm
+T ldr \rt, [\rt]
+.endm
+
+.macro ldr_post rt, rn, rm:vararg
+A ldr \rt, [\rn], \rm
+T ldr \rt, [\rn]
+T add \rn, \rn, \rm
+.endm
+
+.macro ldrc_pre cc, rt, rn, rm:vararg
+A ldr\cc \rt, [\rn, \rm]!
+T itt \cc
+T add\cc \rn, \rn, \rm
+T ldr\cc \rt, [\rn]
+.endm
+
+.macro ldrd_reg rt, rt2, rn, rm
+A ldrd \rt, \rt2, [\rn, \rm]
+T add \rt, \rn, \rm
+T ldrd \rt, \rt2, [\rt]
+.endm
+
+.macro ldrd_post rt, rt2, rn, rm
+A ldrd \rt, \rt2, [\rn], \rm
+T ldrd \rt, \rt2, [\rn]
+T add \rn, \rn, \rm
+.endm
+
+.macro ldrh_pre rt, rn, rm
+A ldrh \rt, [\rn, \rm]!
+T add \rn, \rn, \rm
+T ldrh \rt, [\rn]
+.endm
+
+.macro ldrh_dpre rt, rn, rm
+A ldrh \rt, [\rn, -\rm]!
+T sub \rn, \rn, \rm
+T ldrh \rt, [\rn]
+.endm
+
+.macro ldrh_post rt, rn, rm
+A ldrh \rt, [\rn], \rm
+T ldrh \rt, [\rn]
+T add \rn, \rn, \rm
+.endm
+
+.macro ldrb_post rt, rn, rm
+A ldrb \rt, [\rn], \rm
+T ldrb \rt, [\rn]
+T add \rn, \rn, \rm
+.endm
+
+.macro str_post rt, rn, rm:vararg
+A str \rt, [\rn], \rm
+T str \rt, [\rn]
+T add \rn, \rn, \rm
+.endm
+
+.macro strb_post rt, rn, rm:vararg
+A strb \rt, [\rn], \rm
+T strb \rt, [\rn]
+T add \rn, \rn, \rm
+.endm
+
+.macro strd_post rt, rt2, rn, rm
+A strd \rt, \rt2, [\rn], \rm
+T strd \rt, \rt2, [\rn]
+T add \rn, \rn, \rm
+.endm
+
+.macro strh_pre rt, rn, rm
+A strh \rt, [\rn, \rm]!
+T add \rn, \rn, \rm
+T strh \rt, [\rn]
+.endm
+
+.macro strh_dpre rt, rn, rm
+A strh \rt, [\rn, -\rm]!
+T sub \rn, \rn, \rm
+T strh \rt, [\rn]
+.endm
+
+.macro strh_post rt, rn, rm
+A strh \rt, [\rn], \rm
+T strh \rt, [\rn]
+T add \rn, \rn, \rm
+.endm
+
+.macro strh_dpost rt, rn, rm
+A strh \rt, [\rn], -\rm
+T strh \rt, [\rn]
+T sub \rn, \rn, \rm
+.endm
+
+#if HAVE_VFP_ARGS
+ELF .eabi_attribute 28, 1
+# define VFP
+# define NOVFP @
+#else
+# define VFP @
+# define NOVFP
+#endif
+
+#define GLUE(a, b) a ## b
+#define JOIN(a, b) GLUE(a, b)
+#define X(s) JOIN(EXTERN_ASM, s)